Home / 35,448.27-48,918.09-20,340.60

Finding the Fourth Proportional to 35,448.27, 48,918.09 and 20,340.60

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Solution

The fourth proportional to 35,448.27, 48,918.09 and 20,340.60 is: 28,069.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,448.27 : 48,918.09 = 20,340.60 : x
  2. Step 2: Convert to fraction form
    35,448.27/48,918.09 = 20,340.60/x
  3. Step 3: Cross multiply
    35,448.27x = 48,918.09 × 20,340.60
  4. Step 4: Simplify right side
    35,448.27x = 995,023,301.45
  5. Step 5: Solve for x
    x = 995,023,301.45/35,448.27
  6. Step 6: Final answer
    x = 28,069.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.